10
QuizMultiple Choice

Evaluating Expressions with Exponents

Question 10 • (AG Q1) Keystone Algebra 1 Block: 26-27 (DDiamond)

Selena and Drake are evaluating the expression , when .Selena’s WorkDrake’s WorkWho is correct and why?

Question illustration
Answer
A
Selena is incorrect because she should have substituted the values for the variables first, and then simplifed.
B
Selena is correct because she simplified correctly and then evaluated correctly after substituting the values for the variables.
C
Drake is incorrect because he should have simplified first, before substituting the values for the variables.
D
Drake is correct because he substituted the values for the variables first, and simplified correctly.